b*s
发帖数: 82482 | 1 10. Is the iMac's processor upgradable?
Don't count on it. The CPU is removable, in a sense -- it's on a small
"processor module" (a.k.a "daughterboard"), a separate circuit board that
plugs into the iMac's main logic board. But this module contains much more
than just a PowerPC G3 chip -- it also holds 512 Kbytes of backside Level 2
cache memory, the 1-Mbyte system ROM that enables the iMac to start up when
you press the power button, the system's two sockets for main memory, and
the chip (a Mo |
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